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high power relay to computer circuit.

Discussion in 'Electronic Basics' started by hashira, Jun 18, 2007.

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  1. hashira

    hashira Guest

    I'm trying to design an interface circuit between a power relay switch
    outputing 24v to a ADC PCI card.
    When the switch is activated a 0V pulse is generated. (This circuit is
    part of a system that mesures the usage of a (baseball) batting
    machine)



    1M(ohm) 1M(ohm) Ground
    24v ---------vvvvvv-----------+-------------vvvvvv----------------|l||
    |
    |
    ---
    |V| Diode
    ---
    |
    |
    AD converter

    This circuit is very simple and does not have protection or any
    debouncing functionality.

    Its been a long time since I touched electronics so If anyone has any
    ideas for a more effcient circuit, I would be greatful if you could
    send it to

    Thank you.

    Hashira
     
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